With injectable delivery, nutrients get to your bloodstream and skin cells much more quickly because they don't have to go through your gut
What Should You Avoid While Taking Neksium 40 Mg Injection (Esomeprazole): You should avoid taking alcohol You should avoid driving You should avoid taking Medicines without prescriptions When Not To Use Neksium 40 Mg Injection (Esomeprazole): You should not take Neksium 40 mg Injection if you: Have ever noticed any Allergy/Hypersensitivity Have liver problems Have kidney problems Have diarrhea Have Immune system disorder Have Bone fracture Have Vitamin B12 deficiency Are pregnant Have infections Are breastfeeding Tell Your Doctor If You: Have Allergy to the Injection Are taking Alcohol or Other Drugs Have Liver disease Have infections Dosage: Neksium 40 mg Injection contains an active ingredient, Esomeprazole, which is used in the treatment of Gastroesophageal reflux disease (Acid reflux) & Peptic ulcer disease

Oral Supplements: Several factors affect vitamin absorption from oral supplements: Digestive Absorption Limited uptake through the digestive tract First-Pass Metabolism Liver processing reduces available nutrients Individual Variation Genetics, age, and health conditions affect absorption Medication Interactions Some medications reduce vitamin absorption Deficiency Severity Severe deficiencies may require higher doses than oral can provide How Vitamin Injection Therapy Works Vitamin injections are provided as part of comprehensive nutritional wellness programs that address deficiencies, support optimal function, and enhance overall health
Mecobalamin: Uses, interactions, mechanism of action | DrugBank Online
Because Vitamin B12 requires proper digestive absorption, some individuals choose IV delivery for direct availability in the bloodstream, which removes dependence on gastrointestinal uptake